.oO SearXNG Developer Documentation Oo.
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searx.engines.yacy Namespace Reference

Functions

 init (_)
 
str _base_url ()
 
 request (query, params)
 
 response (resp)
 

Variables

dict about
 
list categories = ['general']
 
bool paging = True
 
int number_of_results = 10
 
str http_digest_auth_user = ""
 
str http_digest_auth_pass = ""
 
str search_mode = 'global'
 
str search_type = 'text'
 
list base_url = 'https://yacy.searchlab.eu'
 

Detailed Description

YaCy_ is a free distributed search engine, built on the principles of
peer-to-peer (P2P) networks.

API: Dev:APIyacysearch_

Releases:

- https://github.com/yacy/yacy_search_server/tags
- https://download.yacy.net/

.. _Yacy: https://yacy.net/
.. _Dev:APIyacysearch: https://wiki.yacy.net/index.php/Dev:APIyacysearch

Configuration
=============

The engine has the following (additional) settings:

- :py:obj:`http_digest_auth_user`
- :py:obj:`http_digest_auth_pass`
- :py:obj:`search_mode`
- :py:obj:`search_type`

The :py:obj:`base_url` has to be set in the engine named `yacy` and is used by
all yacy engines.

.. code:: yaml

  - name: yacy
    engine: yacy
    categories: general
    search_type: text
    shortcut: ya
    base_url:
      - https://yacy.searchlab.eu
      - https://search.lomig.me
      - https://yacy.ecosys.eu
      - https://search.webproject.link

  - name: yacy images
    engine: yacy
    categories: images
    search_type: image
    shortcut: yai
    disabled: true


Implementations
===============

Function Documentation

◆ _base_url()

str searx.engines.yacy._base_url ( )
protected

Definition at line 115 of file yacy.py.

115def _base_url() -> str:
116 from searx.engines import engines # pylint: disable=import-outside-toplevel
117
118 url = engines['yacy'].base_url # type: ignore
119 if isinstance(url, list):
120 url = random.choice(url)
121 if url.endswith("/"):
122 url = url[:-1]
123 return url
124
125
::1337x
Definition 1337x.py:1

◆ init()

searx.engines.yacy.init ( _)

Definition at line 105 of file yacy.py.

105def init(_):
106 valid_types = [
107 'text',
108 'image',
109 # 'app', 'audio', 'video',
110 ]
111 if search_type not in valid_types:
112 raise ValueError('search_type "%s" is not one of %s' % (search_type, valid_types))
113
114

◆ request()

searx.engines.yacy.request ( query,
params )

Definition at line 126 of file yacy.py.

126def request(query, params):
127
128 offset = (params['pageno'] - 1) * number_of_results
129 args = {
130 'query': query,
131 'startRecord': offset,
132 'maximumRecords': number_of_results,
133 'contentdom': search_type,
134 'resource': search_mode,
135 }
136
137 # add language tag if specified
138 if params['language'] != 'all':
139 args['lr'] = 'lang_' + params['language'].split('-')[0]
140
141 params["url"] = f"{_base_url()}/yacysearch.json?{urlencode(args)}"
142
143 if http_digest_auth_user and http_digest_auth_pass:
144 params['auth'] = DigestAuth(http_digest_auth_user, http_digest_auth_pass)
145
146 return params
147
148

◆ response()

searx.engines.yacy.response ( resp)

Definition at line 149 of file yacy.py.

149def response(resp):
150 results = []
151
152 raw_search_results = loads(resp.text)
153
154 # return empty array if there are no results
155 if not raw_search_results:
156 return []
157
158 search_results = raw_search_results.get('channels', [])
159
160 if len(search_results) == 0:
161 return []
162
163 for result in search_results[0].get('items', []):
164 # parse image results
165 if search_type == 'image':
166 result_url = ''
167 if 'url' in result:
168 result_url = result['url']
169 elif 'link' in result:
170 result_url = result['link']
171 else:
172 continue
173
174 # append result
175 results.append(
176 {
177 'url': result_url,
178 'title': result['title'],
179 'content': '',
180 'img_src': result['image'],
181 'template': 'images.html',
182 }
183 )
184
185 # parse general results
186 else:
187 publishedDate = None
188 if 'pubDate' in result:
189 publishedDate = parser.parse(result['pubDate'])
190
191 # append result
192 results.append(
193 {
194 'url': result['link'] or '',
195 'title': result['title'],
196 'content': html_to_text(result['description']),
197 'publishedDate': publishedDate,
198 }
199 )
200
201 # TODO parse video, audio and file results
202
203 return results

Variable Documentation

◆ about

dict searx.engines.yacy.about
Initial value:
1= {
2 "website": 'https://yacy.net/',
3 "wikidata_id": 'Q1759675',
4 "official_api_documentation": 'https://wiki.yacy.net/index.php/Dev:API',
5 "use_official_api": True,
6 "require_api_key": False,
7 "results": 'JSON',
8}

Definition at line 66 of file yacy.py.

◆ base_url

list searx.engines.yacy.base_url = 'https://yacy.searchlab.eu'

Definition at line 99 of file yacy.py.

◆ categories

list searx.engines.yacy.categories = ['general']

Definition at line 76 of file yacy.py.

◆ http_digest_auth_pass

str searx.engines.yacy.http_digest_auth_pass = ""

Definition at line 81 of file yacy.py.

◆ http_digest_auth_user

str searx.engines.yacy.http_digest_auth_user = ""

Definition at line 79 of file yacy.py.

◆ number_of_results

int searx.engines.yacy.number_of_results = 10

Definition at line 78 of file yacy.py.

◆ paging

bool searx.engines.yacy.paging = True

Definition at line 77 of file yacy.py.

◆ search_mode

str searx.engines.yacy.search_mode = 'global'

Definition at line 84 of file yacy.py.

◆ search_type

str searx.engines.yacy.search_type = 'text'

Definition at line 94 of file yacy.py.